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2004243071 = 5337815907
BaseRepresentation
bin111011101110110…
…0101001001111111
312011200100002121212
41313131211021333
513101041234241
6530513515035
7100444533155
oct16735451177
95150302555
102004243071
11939385536
1247b272a7b
1325c30175c
141502813d5
15bae4ebeb
hex7776527f

2004243071 has 4 divisors (see below), whose sum is σ = 2042059032. Its totient is φ = 1966427112.

The previous prime is 2004243061. The next prime is 2004243077. The reversal of 2004243071 is 1703424002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2004243071 is a prime.

It is a super-2 number, since 2×20042430712 = 8033980575303022082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004243077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18907901 + ... + 18908006.

It is an arithmetic number, because the mean of its divisors is an integer number (510514758).

Almost surely, 22004243071 is an apocalyptic number.

2004243071 is a deficient number, since it is larger than the sum of its proper divisors (37815961).

2004243071 is an equidigital number, since it uses as much as digits as its factorization.

2004243071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37815960.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2004243071 is about 44768.7733917292. The cubic root of 2004243071 is about 1260.8114096263.

Adding to 2004243071 its reverse (1703424002), we get a palindrome (3707667073).

The spelling of 2004243071 in words is "two billion, four million, two hundred forty-three thousand, seventy-one".

Divisors: 1 53 37815907 2004243071